One kilogram of water is about one litre, by the original definition of the kilogram. Lighter liquids like gasoline take more space per kilogram; heavier ones like honey take less.
How to use the kg to Liters Converter
- Substance
- Custom density
- Kilograms
- Every result field is editable: type into Litres or any other result and Kilograms plus every other field update to match.
Results update as you type, and every field accepts the units shown in its menu.
How it works
The calculator converts your weight to SI units, looks up the density of the selected substance in kg/m³ and divides. The result is then shown in litres and other common units. Every result field is editable, so you can work backwards too.
How to convert kilograms to litres
- Find the density of the substance (the menu fills it in for you).
- Convert the weight to SI units if needed.
- Divide mass by density to get volume.
- Convert the answer to litres.
1 kilogram of common substances in litres
| Substance | Litres per 1 kg |
|---|---|
| Water (4 °C) | 1 |
| Water (20 °C) | 1.0018032 |
| Water (100 °C) | 1.0434057 |
| Seawater | 0.97560976 |
| Milk | 0.97087379 |
| Gasoline (petrol) | 1.3422819 |
| Diesel | 1.1904762 |
| Jet fuel (Jet A) | 1.2437811 |
| Kerosene | 1.2345679 |
| Crude oil (typical) | 1.1494253 |
| Ethanol | 1.2674271 |
| Propane (liquid) | 2.0283976 |
| Olive oil | 1.0952903 |
| Vegetable oil | 1.0857763 |
| Honey | 0.70422535 |
| Beer | 0.99009901 |
| Orange juice | 0.9569378 |
| Latex paint (typical) | 0.76923077 |
Densities used
| Substance | kg/m³ | g/mL | lb/US gal |
|---|---|---|---|
| Water (4 °C) | 1,000 | 1 | 8.3454045 |
| Water (20 °C) | 998.2 | 0.9982 | 8.3303827 |
| Water (100 °C) | 958.4 | 0.9584 | 7.9982356 |
| Seawater | 1,025 | 1.025 | 8.5540396 |
| Milk | 1,030 | 1.03 | 8.5957666 |
| Gasoline (petrol) | 745 | 0.745 | 6.2173263 |
| Diesel | 840 | 0.84 | 7.0101397 |
| Jet fuel (Jet A) | 804 | 0.804 | 6.7097052 |
| Kerosene | 810 | 0.81 | 6.7597776 |
| Crude oil (typical) | 870 | 0.87 | 7.2605019 |
| Ethanol | 789 | 0.789 | 6.5845241 |
| Propane (liquid) | 493 | 0.493 | 4.1142844 |
| Olive oil | 913 | 0.913 | 7.6193543 |
| Vegetable oil | 921 | 0.921 | 7.6861175 |
| Honey | 1,420 | 1.42 | 11.850474 |
| Beer | 1,010 | 1.01 | 8.4288585 |
| Orange juice | 1,045 | 1.045 | 8.7209477 |
| Latex paint (typical) | 1,300 | 1.3 | 10.849026 |
Inputs explained
| Field | What to enter |
|---|---|
| Substance | Choose one: Water (4 °C), Water (20 °C), Water (100 °C), Seawater … |
| Custom density | Units: g/cm³, kg/m³, kg/L, lb/ft³, lb/US gal |
| Kilograms | Units: kg, g, mg, µg, dag, t … |
What each result means
- Litres = [Kilograms] ÷ [Density used]
- Millilitres = [Kilograms] ÷ [Density used]
- US gallons = [Kilograms] ÷ [Density used]
Formula
volume = mass ÷ densityWorked example
Inputs — Substance: Water (20 °C); Custom density: 1 g/cm³; Kilograms: 1 kg.
Results — Density used = 0.9982 g/cm³; Litres = 1.001803 L; Millilitres = 1,001.803246 mL; US gallons = 0.264648 US gal.
Frequently asked questions
How many litres is 1 kg of water?
About 1 L.
How many litres is 1 kg of diesel?
About 1.19 L.
Why does the answer change with the ingredient?
Kilograms and litres measure different things (weight and volume), so the conversion depends on how dense the material is.
What if my ingredient is not listed?
Choose “Custom density” and type its density; the label or a quick weigh-and-measure test will give it.
What formula does the kg to Liters Converter use?
volume = mass ÷ density.